Santa Barbara weather in January

January in Santa Barbara: nice, rainy, with clean air — a good time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Santa Barbara🇺🇸 United States · California · Beach65
  1. 65Jan
  2. 70Feb
  3. 73Mar
  4. 81Apr
  5. 84May
  6. 87Jun
  7. 89Jul
  8. 93Aug
  9. 92Sep
  10. 88Oct
  11. 77Nov
  12. 67Dec

#12 of 12 months in Santa Barbara · #850 of 1413 destinations to visit in January · comfort 65/100 (tier C)

Days
18°C
Nights
8°C
Wet days
5
Sun
8.1 h
Humidity
64%
Daylight
10 h
Santa Barbara, United States
Photo: Loraine Ilia · Pexels

Traveller notes on Santa Barbara in January

Santa Barbara-forum threads on January weather are candid that the month is genuinely a gamble - fog, rain and grey skies are all real possibilities, but so is a perfectly sunny, mild day, and posters describe the actual mix as coming down to luck more than a predictable pattern. What's consistent regardless of the specific day: it runs noticeably cooler than the region's summer reputation suggests, and the ocean itself sits cold enough that swimming isn't appealing even on a warm afternoon. Regulars recommend layering, plus a proper windproof or rain-ready jacket kept handy. Despite the weather roulette, posters are consistent that January is still worth the visit for anyone willing to take the gamble, wine country day trips and the waterfront both holding up fine under cloud as well as sun. The record: 18.2C days feeling like 16C, 8.2C nights, a notably high 108mm across 5.4 days, a 14.2C sea, 64 percent humidity and 8.1 hours of sun.
StearnsWharfJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗

Other months in Santa Barbara

Regulars name this month's own local phenomenon, June Gloom, a morning marine fog that regulars say burns off by around 10:30am most days but can roll back in fast at sunset - averaging about 22 foggy days across the month, occasionally enough to disrupt flights at the local airport. Our row backs that mild, genuinely dry read, 23.3C over 14.6C nights, with rain essentially absent, 2.9mm across half a day on average, and humidity at 61 percent. Regulars are consistent there's no way to predict which days get hit, foggy one morning and clear the next, with a short drive inland to Santa Ynez reliably escaping it into sun and real heat. Mornings spent on State Street or at the mission, afternoons at the beach once the fog lifts, is the standard local rhythm. The sea sits at a cool 17C. The record: 13.4 hours of sun, a 13.8 kph wind and AQI 38.
JuneGloomBurnsOffByMidMorningMostDays · June · 1 month ago · Read more on Tripadvisor ↗
Regulars name this and September as the region's best weather months, with the summer fog largely gone and rain not yet arrived, making it a genuinely reliable stretch rather than a compromise season. Our row backs the settled, dry read, 24.8C over 13.8C nights, with rain minimal, 11.1mm across under a day, and humidity down to 54 percent. Regulars are consistent that evenings and nights still turn genuinely chilly enough for at least a light jacket, even on a warm-feeling afternoon, and that a rain jacket is rarely needed this time of year even if an umbrella is worth packing just in case. The sea sits at a cool 18.2C. The record: 10.3 hours of sun, a 12.7 kph wind and AQI 35.
FogGoneRainNotYetHereJacketForEvenings · October · 1 month ago · Read more on Tripadvisor ↗
July in Santa Barbara is when June Gloom thins to a morning habit. The marine layer that grey-outs May and June usually burns off by the afternoon in July, and regulars are clear that no one can predict it - foggy one day, sunny the next, with fog on about 22 June days in an average year, enough to disrupt flights out of the airport a dozen times in a month. The escape is a drive: over the 154 to Santa Ynez, about 45 minutes, where the same day is sunny and in the 80s. Our row gives 25.2C reading as 28C, with 0.5 precipitation days and an 18.2C sea. The record: 15.8C nights, humidity 62 percent and 13.3 hours of sun.
FortyFiveMinutesOverThe154 · July · 1 month ago · Read more on Tripadvisor ↗
September is when Santa Barbara stops being grey. The summer marine layer that greys out May and June is far less likely now, and the forum's own pick for the coast is late September into mid-October - the warmest, clearest stretch of the year here. The ocean is at its best too, by local standards: warmest from late July to mid-September, which regulars put at about 65 to 70F, warm enough to swim and not warm in the way visitors from the Atlantic mean it. The record backs the clear part emphatically: 25.8C days, 16.1C nights, 0.6 precipitation days and 5.6mm for the month, 11.4 hours of sun, a 19.8C sea and AQI 36.
NoMoreMayGray · September · 1 month ago · Read more on Tripadvisor ↗

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Santa Barbara climate normals — January

Daytime high18°C / 65°F😎 nice
Nighttime low8°C / 47°F
Feels like (high)16°C / 61°F
Sea temperature14°C / 58°F🥶 cold sea
Rainfall108 mm / 4.2 in🌧 rainy
Rainy days5 days
Humidity64%💧 humid
Dew point4°C / 39°F
Sunshine8.1 h/day
Daylight10.2 h
Wind14 km/h / 9 mph
Snowfall0.8 cm / 0.3 in
Air quality (US AQI)33🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Santa Barbara in January

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsChristmas and New Year, Winter / Christmas break in United States, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Santa Barbara's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherSanta Barbara's weather peaks July–September, best around August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Santa Barbara in January

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Gray whale migration

    15 Dec – 15 Apr · usuallyWhale season

    Grays pass down the channel to Baja through the winter and back north with calves from late February, close enough in that the boats out of the harbour are a half-day trip.

  • Holiday

    Christmas and New Year

    24 Dec – 1 JanChristmas & New YearClosuresCrowded

    Christmas Day and New Year's Day are federal holidays: on 25 December most shops, museums and many restaurants close, and airports stay busy through the week between as families travel. New Year's Eve fills bars and restaurants, many at set-menu prices. Source ↗

What's on around the world in January →

Nearby, and something's on

Within 300 km of Santa Barbara — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Santa Barbara?

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Santa Barbara in January — FAQ

Is January a good time to visit Santa Barbara?
January in Santa Barbara: nice, rainy, with clean air — a good time to visit. It ranks #12 of 12 months for Santa Barbara on SeasonMap's comfort score (65/100).
What is the weather like in Santa Barbara in January?
In January, Santa Barbara averages a daily high of 18.2°C and a low of 8.2°C, with about 107.9 mm of rain over roughly 5.4 rainy days.
What is the air quality in Santa Barbara in January?
Santa Barbara has a mean US Air Quality Index of about 33 in January.

Within 300 km: Los Angeles' Rose Parade on 1 Jan, and Laguna Beach's Gray whale migration around 15 Dec – 15 Apr.